Birding Forecast Cape May Bird Observatory
Map by Point Source using radar data from the National Weather Service , Radar 4 GIS

At-a-Glance Key

Sunday, May 17, 2009
Mid-Atlantic Migration Forecast: 5/17 - 5/21
posted by David La Puma | 5:58 PM


At-a-Glance Forecast






















Sun.PMMon.AMMon.PMTue.AMTue.PMWed.AMWed.PMThu.AM

Migration Weather Forecast

Sunday Night

The high pressure system that built in behind Saturday night's front will continue to blow northwest winds over the mid-Atlantic. No migration is expected.

Monday Night

High pressure will begin to weaken as the mid-Atlantic gets squeezed between a cold front to the west, and a strong area of low pressure over Florida. Some models show winds actually turning south on Monday night, while others show a persistent, but light, northwest. For now we're only expecting a light migration on variable winds.

Tuesday Night

By Tuesday the front to our west will move close enough to set up more southerly flow, and therefore trigger moderate to heavy migration.

Wednesday Night

High pressure will continue to dominate on Wednesday night, with light southwest winds triggering another night of migration.

Birding Forecast

Monday Morning

The latest reports show good movement of Catharus thrushes and Blackpoll warblers, both of which are "later" spring migrants, and a sign that we're entering the latter part of the season. With little moving on Sunday night, a good rule of thumb is to head where good birding conditions have been recently reported.

Tuesday- Thursday Morning

Conditions after Monday should be relatively consistent, with light and variable winds dominating, and no precipitation on tap for most of the region. Given how light the winds are forecast, birds will tend to be widespread across the region. Hit the tried-and-true spring hotspots for the best results this coming week.

If you're on Twitter, you can receive my up-to-the-minute forecast updates, and as always, you can find out what's being seen today in Cape May by checking out the View From the Cape, on BirdCapeMay.org

Good Birding,

David La Puma

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